2153105869 has 2 divisors, whose sum is σ = 2153105870. Its totient is φ = 2153105868.

The previous prime is 2153105863. The next prime is 2153105881. The reversal of 2153105869 is 9685013512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2022300900 + 130804969 = 44970^2 + 11437^2 .

It is a cyclic number.

It is not a de Polignac number, because 2153105869 - 2²⁹ = 1616234957 is a prime.

It is a super-2 number, since 2×2153105869² = 9271729766244490322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2153105863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1076552934 + 1076552935.

It is an arithmetic number, because the mean of its divisors is an integer number (1076552935).

Almost surely, 2^2153105869 is an apocalyptic number.

It is an amenable number.

2153105869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2153105869 is an equidigital number, since it uses as much as digits as its factorization.

2153105869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 40.

The square root of 2153105869 is about 46401.5718376005. The cubic root of 2153105869 is about 1291.2840746434.

The spelling of 2153105869 in words is "two billion, one hundred fifty-three million, one hundred five thousand, eight hundred sixty-nine".